25430670 has 24 divisors (see below), whose sum is σ = 66119976. Its totient is φ = 6781488.

The previous prime is 25430659. The next prime is 25430677. The reversal of 25430670 is 7603452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141192 + ... + 141371.

It is an arithmetic number, because the mean of its divisors is an integer number (2754999).

Almost surely, 2^25430670 is an apocalyptic number.

25430670 is an abundant number, since it is smaller than the sum of its proper divisors (40689306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25430670 is a wasteful number, since it uses less digits than its factorization.

25430670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282576 (or 282573 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 25430670 is about 5042.8831039397. The cubic root of 25430670 is about 294.0712724609.

The spelling of 25430670 in words is "twenty-five million, four hundred thirty thousand, six hundred seventy".